@DJ Mo, I've been reporting on potential format changes via domain registrations for 20 years now. While it's not a perfect source as many companies make last minute changes and register decoys, in Orlando alone I have reported on the following changes ahead of time just since 2018...
103.1 The Wolf to Fly
95.3 to El Zol
96.5 to Exitos
107.3 to WDBO
102.5 to La Z
And why 101.9 was forced to drop "Alt" for "FM 101.9"
And your point about not knowing how to do so, is why we charge a very low amount for it. Also those premium subscriptions are also what keeps RadioInsight.com and now RadioDiscussions.com alive.
Which is why Radioinsight is one of the few sites i so gladly pay for. I get so much useful, timely information from the site